Ecology and shell chemistry of Loxoconcha matagordensis
Palaeogeography, Palaeoclimatology, Palaeoecology
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Abstract
Studies of the seasonal ecology and shell chemistry of the ostracode Loxoconcha matagordensis and related species of Loxoconcha from regions off eastern North America reveal that shell size and trace elemental (Mg/Ca ratio) composition are useful in paleothermometry using fossil populations. Seasonal sampling of populations from Chesapeake Bay, augmented by samples from Florida Bay, indicate that shell size is inversely proportional to water temperature and that Mg/Ca ratios are positively correlated with the water temperature in which the adult carapace was secreted. Microprobe analyses of sectioned valves reveal intra-shell variability in Mg/Ca ratios but this does not strongly influence the utility of whole shell Mg/Ca analyses for paleoclimate application.
Suggested Citation
Cronin, T.M., Kamiya, T., Dwyer, G.S., Belkin, H., Vann, C., Schwede, S., Wagner, R., 2005, Ecology and shell chemistry of Loxoconcha matagordensis: Palaeogeography, Palaeoclimatology, Palaeoecology, v. 225, no. 1-4, p. 14-67, https://doi.org/10.1016/j.palaeo.2005.05.022.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Ecology and shell chemistry of Loxoconcha matagordensis |
| Series title | Palaeogeography, Palaeoclimatology, Palaeoecology |
| DOI | 10.1016/j.palaeo.2005.05.022 |
| Volume | 225 |
| Issue | 1-4 |
| Year Published | 2005 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Palaeogeography, Palaeoclimatology, Palaeoecology |
| First page | 14 |
| Last page | 67 |